[INFO] cloning repository https://github.com/mediocreeee/markust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mediocreeee/markust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmediocreeee%2Fmarkust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmediocreeee%2Fmarkust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37ecf54e48d6506b5e4018d1a2595ab83decdb68
[INFO] checking mediocreeee/markust against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmediocreeee%2Fmarkust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mediocreeee/markust on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mediocreeee/markust
[INFO] finished tweaking git repo https://github.com/mediocreeee/markust
[INFO] tweaked toml for git repo https://github.com/mediocreeee/markust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mediocreeee/markust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a20e8cb4bdddc1afd9593eefdaf4243e12e14112f063095f26d3434b50c37831
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a20e8cb4bdddc1afd9593eefdaf4243e12e14112f063095f26d3434b50c37831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a20e8cb4bdddc1afd9593eefdaf4243e12e14112f063095f26d3434b50c37831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20e8cb4bdddc1afd9593eefdaf4243e12e14112f063095f26d3434b50c37831", kill_on_drop: false }`
[INFO] [stdout] a20e8cb4bdddc1afd9593eefdaf4243e12e14112f063095f26d3434b50c37831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724a16bc03e16f16a15a1d5a91eb0363a7fef31ea3dbc5c2162a8dcf1cf92652
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "724a16bc03e16f16a15a1d5a91eb0363a7fef31ea3dbc5c2162a8dcf1cf92652", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]    Compiling rocket v0.4.5
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking aes-gcm v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]    Compiling rocket_http v0.4.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking markust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "724a16bc03e16f16a15a1d5a91eb0363a7fef31ea3dbc5c2162a8dcf1cf92652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724a16bc03e16f16a15a1d5a91eb0363a7fef31ea3dbc5c2162a8dcf1cf92652", kill_on_drop: false }`
[INFO] [stdout] 724a16bc03e16f16a15a1d5a91eb0363a7fef31ea3dbc5c2162a8dcf1cf92652